a {
    cursor: pointer;
}

.tree {
    margin: 5px 0;
    height: 380px;
    overflow: scroll;
}

.tree li {
    cursor: pointer;
    padding-left: 1.3em;
}

.tree ul {
    list-style: none;
    padding-left: 0;
}

.intermediate {
    opacity: 0.3;
}
